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arXiv · 1112.0264

Constraints on Neutrino Velocities Revisited

Yunjie Huo·Tianjun Li·Yi Liao·Dimitri V. Nanopoulos·Yonghui Qi
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Abstract

With a minimally modified dispersion relation for neutrinos, we reconsider the constraints on superluminal neutrino velocities from bremsstrahlung effects in the laboratory frame. Employing both the direct calculation approach and the virtual Z-boson approach, we obtain the generic decay width and energy loss rate of a superluminal neutrino with general energy. The Cohen-Glashow's analytical results for neutrinos with a relatively low energy are confirmed in both approaches. We employ the survival probability instead of the terminal energy to assess whether a neutrino with a given energy is observable or not in the OPERA experiment. Moreover, using our general results we perform systematical analyses on the constraints arising from the Super-Kamiokande and IceCube experiments.

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Yunjie Huo, Tianjun Li, Yi Liao, Dimitri V. Nanopoulos, Yonghui Qi. 2012-01-27. Constraints on Neutrino Velocities Revisited. https://doi.org/10.1103/physrevd.85.034022

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